feat(purga): Monday eliminado completamente del sistema

14 servicios eliminados, 7 controllers local-only, crons locales,
config sin MONDAY_*, frontend sin banners/avisos Monday.
552 tests API + 7 apps construidas.

api-gateway/src/middleware/auth.middleware.test.ts

@@ -58,11 +58,10 @@ describe('authMiddleware (AUTH_ENABLED=true)', () => {
     expect(req.usuarioToken?.username).toBe('admin')
   })
 
-  it('deja pasar las rutas públicas sin token (health, login, webhook monday)', () => {
+  it('deja pasar las rutas públicas sin token (health, login)', () => {
     const casos: Partial<Request>[] = [
       { method: 'GET', path: '/health' },
       { method: 'POST', path: '/auth/login' },
-      { method: 'POST', path: '/webhooks/monday' },
     ]
     for (const c of casos) {
       vi.clearAllMocks()
@@ -125,12 +124,6 @@ describe('authMiddleware (AUTH_ENABLED=true)', () => {
     }
   })
 
-  it('protege POST /webhooks/monday con otro método no aplica: GET /webhooks/monday pide token', () => {
-    const { res, status } = resFake()
-    authMiddleware(reqFake({ method: 'GET', path: '/webhooks/monday' }), res, next)
-    expect(status).toHaveBeenCalledWith(401)
-  })
-
   it('el token interno abre solo POST /cotizaciones/alertas-inventario', () => {
     authMiddleware(
       reqFake({